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August 23, 2014

Homework Help: Algebra story problem

Posted by Avalon on Saturday, November 18, 2006 at 9:14pm.

I need to turn this story into an algebra problem:
Your cousin ears $25 per week babysitting and recieves one $5 bonus. You earn $15 per week mowing lawns and $12 a week running errands. After working the same number of weeks, you have $11 more than your cousin. Write and solve an equation to find how many weeks you worked. Is 2 1/2 weeks correct?

Show us your equations

Well I checked it an I realized that it wasn't right. My problem is that I don't know how to put it into an equation.

If the cousin had not gotten the bonus $5 you would have $16 more.
so You = 15+12=27
and your cousin = 25
You are +2 per week.

yes but to get $11 more than my cousin my chart says it'll take 7 weeks. I just don't know how to put those numbers into an equation.

You actually get $16 more than him as your regular earnings, the $5 bonus he got is throwing your chart off.




The equation is
25x + 5 + 11=(15 + 12)x
where x represents the number of weeks. The solution:
25x + 16 = 27x
16 = 27x - 25x
16 = 2x
x=8

its gay

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